KEY_exam2_2010_NUT111av

KEY_exam2_2010_NUT111av - Nutrition 111AV Introduction to...

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Nutrition 111AV: Introduction to Nutrition and Metabolism Spring 2010 Exam II KEY Name: SID: True/False: 1. Copper that is not incorporated into enzymes is typically bound to albumin and released into the blood. (F) 2. Deficiency of Vitamin K is associated with an increased tendency to bleed. (T) 3. Superoxide dismutase removes free radicals by reducing oxygen radicals to oxygen and hydrogen peroxide. (T) 4. The absorption of phosphorus and magnesium is regulated very differently from that of calcium. (T) 5. Oxygen is the final electron acceptor in electron transport and combines with hydrogen to form water molecules. (T) 6. Vitamin C (ascorbic acid) enhances the absorption of Fe, Zn, and Cu. (T) 7. The absorption of Cobalamin (B 12 ) begins in the intestine with it binds to intrinsic factor. (F) 8. Calcium is the most abundant cation in the human body. (T) 9. The majority of beta-carotene is converted to vitamin A prior to absorption. (T). 10. Vitamins E and K are generally absorbed via active transport. (F) 11. In general, the water-soluble vitamins are involved in energy producing processes. (T) 12. Immediately after glomerular filtration, the ionic concentration is the same in the filtrate as it is in the blood. (T) 13. Indirect calorimetry estimates energy expenditure by analyzing the amount of oxygen and carbon dioxide in respiratory gases. (T) 1
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14. Pantothenic acid is the only vitamin to be absorbed via passive diffusion at all intestinal concentrations. (T) 15. Calcium can only be absorbed via active transport mechanisms which are regulated by blood calcium levels and body stores. (F) 16. Potassium is the major cation in the intracellular fluid and sodium is the primary cation in the interstitial space.
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